5134c3f799
o Old-style K&R declarations have been converted to new C89 style
o register has been removed
o prototype for main() has been removed (gcc3 makes it an error)
o int main(int argc, char *argv[]) is the preferred main definition.
o Attempt to not break style(9) conformance for declarations more than
they already are.
o Change
int
foo() {
...
to
int
foo(void)
{
...
118 lines
3.9 KiB
C
118 lines
3.9 KiB
C
/*-
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Kenneth Almquist.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)options.h 8.2 (Berkeley) 5/4/95
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* $FreeBSD$
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*/
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struct shparam {
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int nparam; /* # of positional parameters (without $0) */
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unsigned char malloc; /* if parameter list dynamically allocated */
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unsigned char reset; /* if getopts has been reset */
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char **p; /* parameter list */
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char **optnext; /* next parameter to be processed by getopts */
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char *optptr; /* used by getopts */
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};
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#define eflag optlist[0].val
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#define fflag optlist[1].val
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#define Iflag optlist[2].val
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#define iflag optlist[3].val
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#define mflag optlist[4].val
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#define nflag optlist[5].val
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#define sflag optlist[6].val
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#define xflag optlist[7].val
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#define vflag optlist[8].val
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#define Vflag optlist[9].val
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#define Eflag optlist[10].val
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#define Cflag optlist[11].val
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#define aflag optlist[12].val
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#define bflag optlist[13].val
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#define uflag optlist[14].val
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#define privileged optlist[15].val
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#define Tflag optlist[16].val
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#define NOPTS 17
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struct optent {
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const char *name;
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const char letter;
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char val;
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};
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#ifdef DEFINE_OPTIONS
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struct optent optlist[NOPTS] = {
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{ "errexit", 'e', 0 },
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{ "noglob", 'f', 0 },
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{ "ignoreeof", 'I', 0 },
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{ "interactive",'i', 0 },
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{ "monitor", 'm', 0 },
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{ "noexec", 'n', 0 },
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{ "stdin", 's', 0 },
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{ "xtrace", 'x', 0 },
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{ "verbose", 'v', 0 },
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{ "vi", 'V', 0 },
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{ "emacs", 'E', 0 },
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{ "noclobber", 'C', 0 },
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{ "allexport", 'a', 0 },
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{ "notify", 'b', 0 },
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{ "nounset", 'u', 0 },
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{ "privileged", 'p', 0 },
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{ "trapsasync", 'T', 0 },
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};
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#else
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extern struct optent optlist[NOPTS];
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#endif
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extern char *minusc; /* argument to -c option */
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extern char *arg0; /* $0 */
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extern struct shparam shellparam; /* $@ */
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extern char **argptr; /* argument list for builtin commands */
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extern char *shoptarg; /* set by nextopt */
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extern char *optptr; /* used by nextopt */
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void procargs(int, char **);
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void optschanged(void);
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void setparam(char **);
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void freeparam(struct shparam *);
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int shiftcmd(int, char **);
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int setcmd(int, char **);
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int getoptscmd(int, char **);
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int nextopt(char *);
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void getoptsreset(const char *);
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